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"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 8175150 | Methods and/or apparatus for implementing rate distortion optimization in video compression An apparatus comprising a first circuit, a second circuit and a third circuit. The first circuit may be configured to determine one or more signal characteristics in a portion of an input video signal. The second circuit may be configured to select a multiplier valu... | 05/08/2012 |
| 8165205 | Natural shaped regions for motion compensation A method of irregular motion compensation includes using contours of objects in a reference image to tile the reference image into a plurality of irregular shapes, and mapping each irregular shape to a location in a target image by assigning a motion vector to each ... | 04/24/2012 |
| 8155184 | Video coding system using texture analysis and synthesis in a scalable coding framework An apparatus or method of efficiently coding high resolution video using texture analysis and synthesis techniques in a scalable video coding framework. A high-resolution video signal is spatially downsampled and encoded into a base-layer. Texture and structure info... | 04/10/2012 |
| 8130829 | Method of encoding moving picture in mobile terminal and mobile terminal for executing the method A method of encoding a moving picture of a mobile terminal by receiving a target object and encoding information including effect information to be applied to the target object from a user, and by applying the encoding information, and the mobile terminal using the ... | 03/06/2012 |
| 8130830 | Enhancement layer switching for scalable video coding An exemplary system includes a data encoder generating a base layer bitstream encoded at a base bit-rate, and a plurality of enhancement layer bitstreams encoded at different enhancement layer bit-rates, and a bitstream selection module selecting one of the enhancem... | 03/06/2012 |
| 8102913 | DCT/Q/IQ/IDCT bypass algorithm in MPEG to AVC/H.264 transcoding In one embodiment, a first DCT block of coefficients is received from a transcoding process. The DCT block is of a first size, such as an 8×8 size, and in a first coding standard, such as MPEG-2. A distribution of zero and non-zero coefficients is then determined f... | 01/24/2012 |
| 8090018 | Image processing apparatus and method of the same The invention discloses an image processing apparatus for improving the definition of an input image. The input image consists of a plurality of pixels, and the pixels are divided into an edge portion and a background portion. The image processing apparatus includes... | 01/03/2012 |
| 8031770 | Systems and methods for objective video quality measurements Disclosed herein are systems and methods for evaluating video quality. The systems include a video transmitter and a video receiver. The transmitter generates feature parameters from a reference video to be transmitted and transmits the generated feature parameters ... | 10/04/2011 |
| 8027385 | Efficient video coding A method (1600) and apparatus (220) for encoding a sequence of images for transmission over a communication network is disclosed. Initially (1602) an object-based first image is rendered from a computer graphics application (240). The ren... | 09/27/2011 |
| 7965769 | Audiovisual data decoding method The present invention relates to a method of decoding audiovisual data allowing to process, on the basis of an improved syntactic language, distincts elements of a scene as objects for which individual animations, particular interactions user/elements, and specific ... | 06/21/2011 |
| 7864841 | Method for scalably encoding and decoding video signal In one embodiment, decoding of a video signal includes predicting at least a portion of a current image in a current layer based on at least a portion of a base image in a base layer and shift information for samples in the predicted current image. ... | 01/04/2011 |
| 7839929 | Method and apparatus for predecoding hybrid bitstream A method and apparatus for efficiently predecoding a hybrid bitstream generated by a plurality of coding schemes are provided. The method includes obtaining a first bit-rate for a boundary between the lower layer bitstream and the upper layer bitstream and a second ... | 11/23/2010 |
| 7830958 | Seamless switching of scalable video bitstreams A seamless bitstream switching schema is presented. The schema takes advantage of both the high coding efficiency of non-scalable bitstreams and the flexibility of scalable bitstreams. Small bandwidth fluctuations are accommodated by the scalability of the bitstream... | 11/09/2010 |
| 7764736 | Real-time video object generation for smart cameras An apparatus and method for video object generation and selective encoding is provided. The apparatus includes a detection module for detecting a first object in at least one image frame of a series of image frames; a tracking module for tracking the first object in... | 07/27/2010 |
| 7756202 | High-efficiency encoder and video information recording/reproducing apparatus In a high-efficiency encoder which performs motion-compensation prediction, an intra-field is set every n fields. The presence of a scene change is detected. When a scene change occurs, a reference picture of motion-compensation prediction is switched, or the field ... | 07/13/2010 |
| 7720146 | Video compression system A video compression system is disclosed that is optimized to take advantage of the types of redundancies typically occurring on computer screens and the types of video loss acceptable to real time interactive computer users. It automatically adapts to a wide variety... | 05/18/2010 |
| 7715476 | System, method and article of manufacture for tracking a head of a camera-generated image of a person A system, method and article of manufacture are provided for tracking a head portion of a person image in video images. Upon receiving video images, a first head tracking operation is executed for generating a first confidence value. Such first confidence value is r... | 05/11/2010 |
| 7702014 | System and method for video production A system for processing video segments is disclosed. The system includes a descriptor instantiator for creating a descriptor and ascribing at least one value thereto for a corresponding video segment. The system also includes a video constructor for assembling an ou... | 04/20/2010 |
| 7688892 | High efficiency encoder and video information recording/reproducing apparatus In a high-efficiency encoder which performs motion-compensation prediction, an intra-field is set every n fields. The presence of a scene change is detected. When a scene change occurs, a reference picture of motion-compensation prediction is switched, or the field ... | 03/30/2010 |
| 7664176 | Method and system for entropy decoding for scalable video bit stream A method, program product and apparatus for decoding from a scalable bit stream the binarization results of a video sequence by selectively decoding syntax elements and avoiding redundancy in coding. The result is a decrease in the size of the compressed bit stream ... | 02/16/2010 |
| 7653131 | Identification of replay segments Identification of segments based upon scoreboards and logos. ... | 01/26/2010 |
| 7643554 | Image retrieving apparatus performing retrieval based on coding information utilized for feature frame extraction or feature values of frames An image retrieval information storing apparatus capable of extracting a featured frame adaptively in the process of retrieval includes a coding information reading unit reading prescribed coding information which will be information representing frame feature among... | 01/05/2010 |
| 7639741 | Temporal filtering using object motion estimation A method and apparatus for temporally filtering a video sequence using motion compensation in which motion information captures the motion of objects is disclosed. Pixels from a current frame are aligned with matching pixels from previous and/or future frames accord... | 12/29/2009 |
| 7627034 | Method for scalably encoding and decoding video signal In one embodiment, decoding of a video signal includes predicting at least a portion of a current image in a current layer based on at least a portion of a base image in a base layer and shift information for samples in the predicted current image. ... | 12/01/2009 |
| 7609761 | Apparatus and method for abstracting motion picture shape descriptor including statistical characteristic of still picture shape descriptor, and video indexing system and method using the same An apparatus and method for abstracting motion picture shape descriptor including statistical characteristics of still picture shape descriptor, and video indexing system and method using the same. The video indexing system includes: Segmenting means for segmenting ... | 10/27/2009 |
| 7474698 | Identification of replay segments Identification of segments based upon scoreboards and logos. ... | 01/06/2009 |
| 7453939 | Automatic video object extraction Automatic video object extraction that defines substantially precise objects is disclosed. In one embodiment, color segmentation and motion segmentation are performed on a source video. The color segmentation segments the video by substantially uniform color regions... | 11/18/2008 |
| 7436454 | Method and apparatus for transmitting encoded information based upon piority data in the encoded information A reception control section 11 for receiving the information including data and its transmission format information from a memory or communication channel, a separating section 12 for analyzing and separating received information, a transmitting sectio... | 10/14/2008 |
| 7418134 | Method and apparatus for foreground segmentation of video sequences The present invention relates to a method and system for foreground segmentation in which frames of a video sequence are analyzed in the transform domain to determine one or more features. The features are used to model the background. The background can be modeled ... | 08/26/2008 |
| 7412001 | Video coding method and corresponding transmittable video signal The invention relates to a video coding method applied to a sequence of video frames and generating a coded bitstream constituted of video data that represent all the video object planes and are described in terms of separate channels. In said video data, each data ... | 08/12/2008 |
| 7394852 | Method for detecting a moving object in motion video and apparatus An apparatus for detecting a moving object in motion video comprises a macro-block determining section for determining the background/non-background of each macro-block of a reconstructed video signal from a video decoder section which decodes encoded data obtained ... | 07/01/2008 |
| 7372991 | Method and apparatus for summarizing and indexing the contents of an audio-visual presentation A method for creating a summary of an audiovisual presentation initiates with segmenting a frame of the audiovisual presentation. Then, a slide region of the segmented frame is identified. Next, a histogram representing lines in the slide region is generated. Next, ... | 05/13/2008 |
| 7369610 | Enhancement layer switching for scalable video coding An exemplary system includes a data encoder generating a base layer bitstream encoded at a base bit-rate, and a plurality of enhancement layer bitstreams encoded at different enhancement layer bit-rates, and a bitstream selection module selecting one of the enhancem... | 05/06/2008 |
| 7366323 | Hierarchical static shadow detection method There is provided a hierarchical shadow detection system for color aerial images. The system performs well with highly complex images as well as images having different brightness and illumination conditions. The system consists of two hierarchical levels of process... | 04/29/2008 |
| 7362805 | High efficiency encoder and video information recording/reproducing apparatus In a high-efficiency encoder which performs motion-compensation prediction, an intra-field is set every n fields. The presence of a scene change is detected. When a scene change occurs, a reference picture of motion-compensation prediction is switched, or the field ... | 04/22/2008 |
| 7362374 | Video interlacing using object motion estimation One embodiment disclosed relates to the use of object motion estimation to interlace a progressive video sequence. One of a plurality of consecutive frames is segmented and motion vectors for each segment are determined though object motion estimation. Interpolated ... | 04/22/2008 |
| 7359440 | Method and system for extracting key frames from video using a triangle model of motion based on perceived motion energy A key frame extraction system and method for extracting key frames from a video based on motion analysis of frames within the video. Key frames are highlight frames that are effective in summarizing a video sequence. This allows a user to quickly find a desired spot... | 04/15/2008 |
| 7359450 | Digital transmission of broadcast signals, including HDTV signals, over a microwave link Methods and apparatus are provided for the provision of high definition television services over an analog or digital broadcast infrastructure. In one aspect, the present invention provides a method for transmitting a plurality of digital data streams over an analog... | 04/15/2008 |
| 7356080 | MPEG-4 encoder using H.263 multimedia chip An MPEG-4 encoder utilizing an H.263 multimedia chip. The MPEG-4 encoder includes a DC (Direct Current) predictor for predicting a DC component of the image frame encoded by an H.263 standard upon receiving a prescribed MPEG-4 quantization value, and an MPEG-4 recon... | 04/08/2008 |
| 7349477 | Audio-assisted video segmentation and summarization A method segments a compressed video by extracting audio and visual features from the compressed video. The audio features are clustered according to K-means clustering in a set of classes, and the compressed video is then partitioned into first segments according t... | 03/25/2008 |
